package cn.wsxiot.patterns.SingletonPattern.coma;
/**
 * @author wsx
 *
 */
public class Singleton {
	private static Singleton instance;
	
	private Singleton(){
	}
	
	public static Singleton getInstance(){
		if(null == instance){
			instance = new Singleton();
		}
		return instance;
	}
	
	public void show(){
		System.out.println("hello");
	}
}
